This interesting side quest also presents gamers with the longest side quest in the entire Point Lookout expansion (heck, it's longer than half of the main quest missions in the DLC too). It all begins at one location in Point Lookout you're likely familiar with, especially if you followed our walkthrough through Point Lookout's main quest and uncovered said location early on. The Homestead Motel is an abandoned building north of Pilgrim's Landing, where you first come ashore on the Maryland coast. When you arrive at the motel, you'll find that there are only two doors you can enter into the building via that aren't boarded up. If you're facing the location of both doors, you're going to want to go through the door on your left, since it's in the very room beyond that door that you'll find the origins of The Velvet Curtain side quest.

When you enter the motel room, you'll find a rather disturbing scene, with skeletal remains sitting atop the queen-sized bed. Creepily enough, you can still sleep on this bed if you so desire. The lit-up room has an obvious piece of interesting equipment within, and that's the computer terminal. When you examine the computer terminal, you'll find only one message on it. Read it, and you'll also acquire a Locker Key before proceeding. You'll need this, because once the message is read on the computer, your next task is to open a locker out on the Point Lookout boardwalk. Simply leave the motel and teleport to Pilgrim's Landing. Then, with this side quest marked as the active quest, simply head to the east and you'll see the lockers you seek.

When you open up the locker in question, you'll find something called Box 1207 - Spy Audio's Password. By listening to the track, you'll learn that it is indeed a password. And the password can only be spoken by the woman on the tape, or by the man it was meant for. This is important to remember as you head to the People's Bank of Point Lookout to follow through and use the newly-garnered password to retrieve the next object needed to continue this side quest. The bank is located northwest of your position. The best way to get there is to head westward towards the center of the pier, and then shoot northward up the boardwalk. The bank will be on your right, and though it won't appear on your map, it is southeast of the Homestead Motel. Once inside, your time spent here will be brief. Approach the intercom and play the audio recording you just retrieved while the intercom is active. This will open a safe deposit box that holds not only a plethora of Pre War Money, but something far more important as well -- an Espionage Debriefing.

Once you've listened to the Espionage Debriefing, you'll know precisely where you're expected to head off to next, and that place is at the far, far northern end of Point Lookout. Known as Turtledove Detention Camp, this place doesn't hold prisoners anymore, but it does indeed contain the next set of secrets we need to continue on the trail of the ancient Chinese spy. You may be able to teleport to an area nearby for a quicker route to the camp -- Marguerite's Shack to the south will work reasonably well -- but even from the motel, you only have to go straight north for a couple of minutes, through the swamp, to reach the detention camp on your own. Whether you go the entire way overland or figure out some shortcuts to slim down travel time, expect to run into both Ghouls and indigenous inhabitants en route.

When you finally reach the boundary of the detention camp, you'll find a sordid scene. Chances are, both Ghouls from the surrounding swamp and old robotic foes from the camp will be doing battle with each other. You may also find only one group or the other. But it's actually the former situation that's more desirable, because they will focus on each other, allowing you to get where you need to go unharmed. On the west side of camp, you're seeking out some cellar doors leading to a basement morgue. Dash there as soon as you can -- enemies fighting each other outside can be left behind for after you take care of the important task at hand.

In this underground morgue, you can find a load of items, especially of the curative variety. Amongst other items prime for resale, you should still be able to find Blood Packs, Rad-X, RadAway, Med-X, Buffout, Purified Water, and Stimpaks. But what's really important is finding the appropriate body in one of the morgue trays. You're looking for box TD-0181, marked with the name Wan Yang. The box is in the lower lefthand corner where all of the trays are located along a wall. When you pull the tray out, the game will prompt you to ask you if you want to remove the Self-Destruct Codes from a false molar tooth in the corpse's body. As disgusting as it is, you'll have to do just that to proceed.

With the Sub Self-Destruct Codes extracted from the false tooth, it's time to head to another location. This one is easy to get to -- as long as you took our advice and finished Point Lookout's main quest before proceeding with any side quests, you can leave the morgue, kill any remaining foes, and then teleport instantly to the Point Lookout Lighthouse, which is a great place to spring off from to head to our next location. If you want to continue exploring the detention camp, you'll have to do so on your own, as that's not covered here. Once you're at the lighthouse, you have to head due west to reach the Sub Recovery Site. Do you see that boat sticking out of the water? Head towards it. Obviously, this isn't the submarine you're looking for, but if you head underwater from there, you'll find the sunken sub easily in the ship's vicinity.

Once on the submarine, you'll notice the craft is taking water. There's no imminent rush to get stuff done, though. Do some searching, and you'll find Whiskey sitting on the bed, Darts and some Fission Batteries in a locker, and a Chinese Pistol sitting on the console. But to take care of business at the sub, you're going to want to first examine the computer terminal and activate the self-destruct mechanism. Then, head to the other end of the submarine and flip the switch there to ensure that the craft will detonate. Then, waste no time in getting out of the submarine and swim as far away from it as possible. It will explode shortly thereafter, and it will be time to begin the next part of the quest.

When you return to the hotel room with the computer in it, examine the computer one more time, and you'll be able to read information on the spy's supposed extraction. The instructions you read are important, and you'll want to make note of both the number sequence and password given, since you'll need them later (but worry not about grabbing a pen and paper, as we'll make note of those numbers in this walkthrough at the appropriate time). Your next course of action after reading the information on the computer is to grab the Cryptochromatic Spectacles from the toilet bowl basin in the hotel room's bathroom. These will be needed shortly.

With the spectacles acquired, your next course of action is to leave the hotel room and then quickly travel to the Calvert Mansion. When you arrive there, seek out an open air greenhouse-like structure adjacent to the mansion. Keep in mind that the mansion can be still standing or destroyed, depending on what you've done so far in Point Lookout. Either way, it doesn't really matter, because it doesn't change what occurs from here (the active quest marker on your map will bring you to the destination near the mansion, too, if you're having trouble locating it). But the structure should stand out like a sore thumb, especially if you saw Point Lookout's main quest all the way through and no longer have the mansion itself dominating the area.

To gain entrance to the area underneath this open-air structure, you need to have the Cryptochromatic Spectacles equipped. When you do, you'll be able to see lines around the vases on the four pedestals in the structure, which represent the numbers 1, 2, 3 and 4. Now, in order, examine the pedestals in the order given on the computer: 1, 3, 2, 3, 4, 4, 2. After doing that, a manhole should appear nearby that leads down into the subterranean chamber. Fight the lone enemy here -- a weak Protectron -- and then raid the subsequent room for all of its items. Plenty of ammunition can be found in just about every variety imaginable. But you can also find lots of weapons, including Double Barrel Shotguns, Lever Action Rifles, Chinese Assault Rifles, Chinese Pistols and more. Don't neglect to grab the Mini Nuke down here, either!

Head out of this room and swing right down the corridor, and you'll find a locked door. Open it easily with the switch on the nearby door. In this room, you'll find another computer terminal. Before examining it, be sure to grab the Mentats in the room, as well as the Backwater Rifle sitting on the shelf. Then, examine the computer. After the message congratulates you (well, the real Chinese spy) on a job well done, and agrees to pay the spy's family back in China, the room locks up and irradiated gas leaks into it. It's time for you to die! Or is it? Those Mentats were sitting around for a reason, because you can use them to temporarily boost your intelligence, which will allow you to manipulate the fuses on the wall behind the wooden boards (though you may not even need them). This will force the door open, and you can escape the poisonous gas, which will end the side quest successfully.